Question

When a coolie walks on a horizontal platform with a load on his head, the work done by the coolie on the load is
(a) Positive (b) Negative (c) zero (d) None


please give me the correct answer not the wrong​

Answer 1

Answer:

your answer will be-

zero

Answer 2

When a coolie walks on a horizontal platform with a load on his head, the work done by the coolie on the load is

(a) Positive (b) Negative (c) zero (d) None

please give me the correct answer not the wrong

ANS: Work done against gravity is zero as there is no displacement along or opposite to the direction of force of gravity.